... dock 2, USB SD MMC slot 3, FM Radio New wireless Bluetooth music speaker system with Iphone/ipod dock Features:1 ... , Bluetooth Wireless Rechargeable Speaker for iPod,iPad,iPhone and all Mobile Devices ... connection and stereo headphone jack 12, Built in 2200mAh Li-battery and support USB power-supplyTechnical parameterSupport MPEG-1,MPEG-2 ...